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VirtualProtect issue

GautamGreat
GautamGreat
in Programming and Coding

Featured Replies

Posted

Hi,

I am coding a dll for patching a vmp target. Everything goes well but when I change the permission of codesection using VirtualProtect api the function failed and program crashed when changing dwords in Codesection. When I change the permission manually through ollydbg then it works. Anyone can explain it why?

Did you tried GetLastError to see the error code, runned after VirtualProtect api to see why it failed?
Canging code section is not posible if it doesn't had the Write access flag!
Can you also post your code? Maybe I will figure out what you did wrong!
 

  • Author
7 minutes ago, CodeCracker said:

Did you tried GetLastError to see the error code, runned after VirtualProtect api to see why it failed?
Canging code section is not posible if it doesn't had the Write access flag!
Can you also post your code? Maybe I will figure out what you did wrong!
 

Hi I send full code to your inbox

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